Briggs & Stratton
Lawn & Garden Engine

Model # 9T502-3852-B1 Official Briggs & Stratton engine

Here are the diagrams and repair parts for Official Briggs & Stratton 9T502-3852-B1 engine, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 123 parts  |

Lawn & Garden Equipment Engine Air Filter 698369

#535

All parts diagram

Lawn & garden equipment engine air filter

Part #698369

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Lawn & Garden Equipment Engine Recoil Starter Pawl (replaces 281505, 692260, Bs-281505s) 281505S

#459

All parts diagram

Lawn & garden equipment engine recoil starter pawl (replaces 281505, 692260, bs-281505s)

Part #281505S

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Lawn & Garden Equipment Engine Recoil Starter Pawl Friction Plate (replaces 281503, Bs-692299) 692299

#456

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Lawn & garden equipment engine recoil starter pawl friction plate (replaces 281503, bs-692299)

Part #692299

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Lawn & Garden Equipment Engine O-ring (replaces 270344, 692216) 270344S

#617

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Lawn & garden equipment engine o-ring (replaces 270344, 692216)

Part #270344S

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Lawn & Garden Equipment Engine Hex Screw (replaces 690960, 692126, 697551, 94744, Bs-691108) 691108

#190A

All parts diagram

Lawn & garden equipment engine hex screw (replaces 690960, 692126, 697551, 94744, bs-691108)

Part #691108

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$5.09
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Lawn & Garden Equipment Engine Spark Plug Wire Terminal (replaces 493880, 691234, Bs-493880s) 493880S

#851

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Lawn & garden equipment engine spark plug wire terminal (replaces 493880, 691234, bs-493880s)

Part #493880S

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$4.75
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Lawn & Garden Equipment Engine Recoil Starter Friction Spring (replaces 263073, Bs-691855) 691855

#689

All parts diagram

Lawn & garden equipment engine recoil starter friction spring (replaces 263073, bs-691855)

Part #691855

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$6.19
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Lawn & Garden Equipment Engine Hex Screw (replaces 555539, 94731, Bs-691061) 691061

#334

All parts diagram

Lawn & garden equipment engine hex screw (replaces 555539, 94731, bs-691061)

Part #691061

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$5.09
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Lawn & Garden Equipment Engine Recoil Starter Handle 691915

#60

All parts diagram

Lawn & garden equipment engine recoil starter handle

Part #691915

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Lawn & Garden Equipment Engine Fuel Tank Cap (replaces 497929, 692039, Bs-497929, Bs-497929s) 497929S

#957

All parts diagram

Lawn & garden equipment engine fuel tank cap (replaces 497929, 692039, bs-497929, bs-497929s)

Part #497929S

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Symptoms for gas pressure washers

Choose a symptom to see related pressure washer repairs.

Main causes: using a high-pressure spray tip when applying detergent, clogged siphon tube, chemical injection system fai…

Main causes: overfilling engine with oil, improper fuel/air mixture, choke system problems, dirty carburetor, engine nee…

Main causes: broken recoil spring, damaged recoil starter…

Main causes: dirty air filter, stale fuel, clogged or dirty carburetor, bad unloader valve…

Main causes: insufficient water supply, clogged water inlet screen, clogged pressure hose, faulty pump check valves, stu…

Main causes: damaged recoil starter, oil inside cylinder, locked up engine piston…

Main causes: faulty unloader valve, bad pressure regulator…

Main causes: stale fuel, gummed up carburetor, engine needs tune up, throttle and choke controls need adjustment, bad re…

Main causes: pump running for more than 5 minutes when the spray wand isn't being used, faulty pressure relief valve, ba…

Repair guides for gas pressure washers

These step-by-step repair guides will help you safely fix what’s broken on your pressure washer.

How to install a pressure washer check valve kit

How to install a pressure washer check valve kit

Air in the inlet water supply can damage the check valves. If the pump won’t build up pressure due to damaged check valv…

Repair difficulty
Time required
 120 minutes or less
How to install a pressure washer O-ring kit

How to install a pressure washer O-ring kit

O-rings seal fittings on the pressure washer pump. Damaged seals allow water to leak from the pump. Follow these steps t…

Repair difficulty
Time required
 45 minutes or less
How to install a pressure washer chemical injection kit

How to install a pressure washer chemical injection kit

The chemical injection valve draws detergent into the pump. If it’s not drawing detergent, use a repair kit to replace t…

Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your lawn & garden engines

Use the advice and tips in these articles and videos to get the most out of your pressure washer.

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Top questions about Sears and Sears PartsDirect

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What are the main components of a lawn mower?

Learn about the main parts of a lawn mower and when to replace parts.…